sd card not formatted error

Why mobile phone SD card is unavailableFirst, you need to find out whether the problem is the SD card or the mobile phone. If the problem is the SD card, change the SD

:9/mnt/sdcard-ext vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,fmask=0702, Dmask=0702,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 /dev/block/vold/179:9/mnt/secure/asec vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,fmask=0702, Dmask=0702,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0 Tmpfs/mnt/sdcard-ext/.android_secure Tmpfs ro,relatime,size=0k,mode=000 0 0

The first step, remember that we first put the cell phone SD card in the card reader and then insert the reader into the computer to display a removable disk. Step two, okay. Now we turn on the computer "start"-"Run"-enter "CMD". The third step, and then in the open cmd we enter "chkdsk/f #:" (# is your

card● Copy boot files for ISOLINUX ● Use SYSLINUX to set the SD card to a bootable ● Boot easy PC with SD card Step 1: format the SD card Connect the

= (8/CLK) *arg. 5. NBSP;NBSP;NBSP;NBSP;NBSP;2GB the SD card (standard card) and more than 2GB SD card (high-capacity card) in the form of address access, this is particularly important to note, otherwise there will be no read and

the SD card supports offset read and write operation), and the Address field Fu Yan value 0x10 in the high capacity card read or write command token The 16th block reads and writes, and the bulk card only supports block read and write operations, the block size is fixed to 512 bytes, and the byte operation will

the SD card supports offset read and write operation), and the Address field Fu Yan value 0x10 in the high capacity card read or write command token The 16th block reads and writes, and the bulk card only supports block read and write operations, the block size is fixed to 512 bytes, and the byte operation will

SD Card write protection How to remove the solution: Step 1, about the SD card write protection How to remove the problem, you can use the disk repair program to repair the SD card. Open My Computer, locate the

interface to read and write the files inside the SD card. The average read and write speed of a 10MB size file is tested with 2KB size as read-write unit. uint8_t testbuffer[2048]; int main () { uint32_t i; FATFS FS; FIL file; Fresult Res; uint32_t Timecount; uint32_t Bytewrite, Byteread; /* Board pin, clock, debug console init */ /*attach MHz clock to FLEXCOMM0 (Debug console) */ CLOCK_ATTACHCLK (Board_d

New Android users may encounter SD card partitioning problems. Why partition? What are the shards? What is the partitioning method? These problems are actually very simple. 1. The purpose of the partition and the three main partitions of the SD card The main purpose of SD